Spinach-Ricotta Quiche

By Kim's Cooking Now

4.68 / 5

15min

55min

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1 tablespoon butter
⅓ cup finely chopped red onion
1 (8 ounce) package fresh spinach
½ (14 ounce) package pastry for 9-inch double-crust pie
4 large eggs
¾ cup whole-milk ricotta cheese
¾ cup heavy cream
⅓ cup grated Parmigiano-Reggiano cheese
1 tablespoon chopped fresh basil
½ teaspoon salt
¼ teaspoon ground black pepper